(1)In section 127 of the principal Act (presumptions as to the contents of containers) for subsections (2) to (6) there shall be substituted the following subsections—
“(2)Any liquid found in a container (sealed or open) shall, subject to the provisions of this section, be presumed to conform to the description of the liquid on the container.
(3)An open container which is found to contain—
(a)no liquid; or
(b)insufficient liquid to permit analysis,
but which when sold or supplied to a person was sealed shall, subject to the provisions of this section, be presumed to have contained at the time of the sale or supply liquid which conformed to the description of the liquid on the container.
(4)Subject to subsection (5) below, in any trial of a person for an offence under this Act, he may rebut the presumption mentioned in subsection (2) or (3) above by showing that, at the time of the sale or supply, the liquid in the container did not conform to the description of the liquid on the container.
(5)A person shall not be entitled to lead evidence for the purpose of rebutting a presumption as mentioned in subsection (4) above unless, not less than 7 days before the date of the trial, he has given notice to the prosecutor of his intention to do so.”
(2)Nothing in this section shall apply to the prosecution of any person for an offence committed before the commencement of this section.